E.g.f.: AGM(1, exp(4x)), where AGM(x, y) is the arithmetic-geometric mean of Gauss.

A174846

E.g.f.: AGM(1, exp(4x)), where AGM(x, y) is the arithmetic-geometric mean of Gauss.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =20a(4) =66a(5) =212a(6) =756a(7) =3320a(8) =11346a(9) =-11068a(10) =14556a(11) =7202120a(12) =18928476a(13) =-1376971048a(14) =-3526491144a(15) =394396083920

External references